If sin2α - 3cos2α = 0 , find the value of α .
Answer & explanation
Correct answer: option 1
sin2α - 3cos2α = 0
cot2α = \(\frac{1}{3}\)
cotα = \(\frac{1}{\sqrt {3}}\)
α = 60°
If sin2α - 3cos2α = 0 , find the value of α .
Correct answer: option 1
sin2α - 3cos2α = 0
cot2α = \(\frac{1}{3}\)
cotα = \(\frac{1}{\sqrt {3}}\)
α = 60°